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ScienceForte ScienceForte
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What were two early proposals for the nature of dark matter that have now fallen out of favour? What evidence convinced astronomers that they are likely incorrect?

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ASTRO

ASTRO


Edition: 3rd
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LondonLondon
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Thank you, thank you, thank you!
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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